Classification
576 - Genetics & evolution
333 - Economics of land & energy
4
580 - Plants (Botany)
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
610 - Medicine & health
3
100 - Philosophy & psychology
2
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
540 - Chemistry & allied sciences
1
570 - Life sciences; biology
1
612 - Human physiology
1